Kilogram

kg

Atomic Mass Units

1.66 x 10^-24 g

Liter

L

Standard Pressure

1 atm

1atm = 101.3kPa = 760. Torr = 760.mmHg = 14.7 lb./in²

Standard Temperature

C

32.0°F = 0.0°C = 273.15 K

Heat

q

1 cal = 4.184 J

1Cal = 4.184 kJ

Activation Energy

E_a

kJ/mol

Specific Heat of water (l)

C_p

4.18 J/g °C

Specific Heat of water (s)

C_P

2.03 J/g °C

Specific Heat of water (g)

C_p

2.02 J/g °C

Heat of fusion of water

6.01 kJ/mol

334 J/g

Heat of vaporization of water

40.7 kJ/mol

2258 J/g

Speed of Light

c

3.00 x 10⁸ m/sec

Avogadro’s Number

N_A

6.022 x 10²³ particles

Charge of an electron

e

1.60 x 10^-19 C

Equilibrium constant

K

Rate constant

k

Reaction quotient

Q

Universal Gas Constant

R

0.08206 L atm/mol K

62.4 L mmHg/mol K

8.314 J/K mol

8.314 L kPa/mol K

1.99 cal/K mol

m

meter

length

kg

kilogram

mass

Pa

pascal

pressure

K

Kelvin

temperature

mol

mole

amount of a substance

J

joule

energy, work, quantity of heat

s

second

time

C

coulomb

quantity of electricity

V

volt

electrical potential

L

liter

volume